The use of the word "Andriana" to denote nobility occurs among numerous Malagasy ethnic groups including the Zafiraminia, the Merina, the Betsileo, the Betsimisaraka, the Tsimihety, the Bezanozano, the Antambahoaka and the Antemoro.
It serves as the northern edge of the territory known as Betsimisaraka.
However, some also speak various local languages, such as Malagasy, or dialects such as Plateau Malagasy and Betsimisaraka Malagasy.
It serves as the southern edge of the territory known as Betsimisaraka.